Inverter Pcb Abnormality - Daikin VRV Aurora RXLQ-TATJU Series Service Manual

Troubleshooting by Error Code

3.50 Inverter PCB Abnormality

Applicable
All outdoor unit models
Models
L1
Error Code
Method of Error
 Detect current value during the output of waveform before compressor startup
Detection  Detect current value with the current sensor during synchronous operation for startup
Error Decision
 When the overcurrent flows during the output of waveform
Conditions  When the current sensor error during synchronous operation
 When IPM error occurs
Supposed
 Inverter PCB
Causes
311
 IPM failure
 Current sensor failure
 Drive circuit failure
SiUS341802EC
Part 6 Service Diagnosis